This very conventional system of protection of the entrance door allows the entrebailler to identify the one who is there and allow dialogue with him. The device comes in two versions: rigid slide or chain. The rigid stay is certainly more rigid and certainly offers better security. In both cases, do not hesitate to replace the screws supplied with the device to replace them with longer and therefore more solid.
Installing a mortician is very easy with a minimum of tools. It is sufficient to fix the two elements by screws. The only difficulty is to prepare the screwing by pilot holes to prevent the wood of the frame (usually decorative flat-seal rods) burst when tightening the screws. The installation height varies depending on the size of the users and the position of a possible security lock.
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